Apulo-Calabrese Pig

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Apulo-Calabrese Pig

Riccardo Bozzi, Maurizio Gallo, Claudia Geraci,

Luca Fontanesi and Nina Batorek-Lukač

Abstract

The aim of the present chapter is to present history and current status of Apulo-Calabrese pig breed, one of the local pig breeds investigated in the project TREASURE. Apulo-Calabrese breed is one of the Italian autochthonous pig breeds. Its origin dates back to the Roman times, but it suffered a drastic decline during the past century and the recovery started in the 1990s. A herd book for this breed was established in 2001, but its performances and products are practically untapped. There are 45 registered farms with around 500 breeding sows and 100 boars. Apulo-Calabrese pig is characterised by black coat colour. On average sows of Apulo-Calabrese pig breed have 1.7 litters per year with 6.9 piglets. Regarding growth performances, the potential of Apulo-Calabrese pigs in ad libitum conditions of feeding is high (≈762 g/day in middle fattening stage) although information on feed intake and feed nutritional value was scarce, which limits the evaluation of growth potential. Data on body composition, carcass traits and meat and fat quality are scarce. The present review gives a first insight into this local pig breed.

Keywords: traditional European breed, TREASURE, productive traits, phenotype,

Italy

1. History and the current status of the breed (census)

The Apulo-Calabrese is a breed of black domestic pig from Calabria, in Southern Italy [1]. Census of the Apulo-Calabrese pig breed is presented in

Figure 1. Presently, there are 45 registered farms of Apulo-Calabrese pigs with

about 489 breeding sows and 93 boars in the latest available status (August 2015 [2]). From the historical point of view, already in pre-Roman times, the migra-tory flows from Central Italy to the South favoured the spread of pig breeding along the Apennine ridges [3]. The Apulo-Calabrese breed is, therefore, a swine population that has been established over the centuries and has spread with the transhumance of the flocks on the road routes dating back to Roman times [3]. In the past century, black coat pigs, capable of using poor food resources, were present along the Apennine foothills. The abandonment of the lands and the uncontrolled introduction of cosmopolitan breeds provoked a rapid decline of this breed too, until, eventually in the 1990s, a recovery action started [3, 4]. The conservation programme has progressively been consolidated, and the herd book was established in 2001 [5].

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European Local Pig Breeds - Diversity and Performance. A Study of Project TREASURE

2. Exterior phenotypic characteristics

The Apulo-Calabrese pig breed morphology information is summarised in

Table 1. It is medium- to small-sized breed with plain black coat colour (Figures 2

and 3). The bristles are black, straight, robust and longer in the dorsal region even if white spots on the lower extremities of the legs are allowed [3, 5]. Long and thin snout with a straight head profile, droopy ears projected forwards and a straight tail [3, 5]. Not less than ten nipples normal and well pronounced [5].

Figure 1.

Census of Apulo-Calabrese pig breed, presenting a number of sows and boars per year, starting with the year of heard book establishment.

Measurement (average) Adult male Adult female

Body weight (kg) 150 130

Body length1 (cm) 130–145 130–142

Head length (cm) 32–48 32–48

Ear length Large Large

Chest girth (cm) 120–134 125–133

Height at withers (cm) 72–82 71–79

Number of teats 13 13

1

Measured from the tip of the nose to the starting point of the tail. Table 1.

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3. Geographical location and production system

The Apulo-Calabrese breed is present in the southern regions of Italy with the primary concentration of herds in Calabria, Basilicata and Lazio. The breed has been recovered by a regional agricultural development company, which had kept a few animals in a structure located in the municipality of Acri in the province of Cosenza. A not insignificant quantity of Calabrian black pigs was always present in the area of Polsi (Aspromonte) where it is still grazed-free, fed mainly with acorns and chest-nuts. Currently, the breed has a recovery, albeit slow, thanks to some small Calabrian pig farms, mostly family-run, with the relative production of its precious sausages. The breed is maintained mainly by peasant farming system using the agroforestry practices. Most of the animals are kept continuously confined, and the basic heat pro-tections are available even if the housing parts are not completely climate controlled.

4. Organisations for breeding, monitoring and conservation

The Italian Pig Breeders Association (ANAS) is responsible for monitoring the breeds, controlling the “registry” that represents the tool for the conservation of breeds not interested in a national selection scheme. The activity is aimed at the conservation of the breed with particular regard to the maintenance of genetic vari-ability while promoting economic exploitation. A private association (Associazione Nero di Calabria) founded with the aim of enhancing, promoting and protecting the products and breeders of the Apulo-Calabrese is also present. The association also aims to expand the culture and tradition of all those typical products of Calabria derived from the transformation of the black pig. In January 2007 the “Consortium for the protection of Calabria PDO cured meats”, a nonprofit organism that carries out functions of protection, control, promotion, development, customer information and general interests for Calabria PDO-cured meats, was also established (Table 2). Figure 3.

Apulo-Calabrese boar.

Name of organisation Address Web address

Associazione Nazionale Allevatori Suini (ANAS)

Via Lazzaro Spallanzani 4, 00161 Rome, Italy

www.anas.it

Associazione Nero di Calabria C.da Taverna snc, 87,040 Paterno Calabro (CS), Italy

—

Table 2.

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5. Productive performance

5.1 Reproductive traits

The basic data obtained on reproductive traits in this review are presented in Table 3. The average age of sows at the first parturition varies from 13 to 23.5 months of age [1, 10], whereas, according to ANAS heard book data, age at culling is 52.3 months [2]. Sows of Apulo-Calabrese pig breed have 1.2–2.2 litters per year [1, 7, 9, 11] with 6.1–8.0 piglets [2, 6, 7, 11] of approximately 1.0 kg live body weight [1, 6, 11, 13]. Stillborn percentage of piglets varies from 6.2 to 7.1% [2, 6, 11], whereas piglet mortality rate until weaning in the considered studies ranged from 8.6 to 20.8% [2, 6, 7, 11]. Duration of lactation is prolonged in comparison to mod-ern intensive systems (to 40 days [11]), which leads to a longer farrowing interval (171–300 days [1, 7, 9, 11]) but variable piglet weaning weight (3.4–8.1 kg [11, 13]).

5.2 Growth performance

The basic data on growth performance obtained in this review are presented in

Tables 4 and 5. Due to big differences between studies with regard to the live weight

range covered, we defined the stages for growth performance as lactation (regard-less of how long it was), growing stage (from weaning to approximately 30 kg live body weight) and early, middle and late fattening stages estimated between approximately 30 and 60 kg, 60 and 100 kg and above 100 kg live body weight, respectively. Sometimes, the source provided only the overall growth rate for the whole fattening stage (defined as overall) or even from birth to slaughter (defined as birth–slaughter, which is often calculated from the data given on live weight and age of pigs). It should also be noted that a big part of the collected studies simulated practical conditions of the production systems used and that only a smaller part of the studies aimed at evaluating the breed potential for growth. In the considered studies, a daily gain in the early growing stage that corresponds to lactation period varied from 134 to 155 g/day [9, 11]. Generally, growing and fattening stages are characterised by slower growth, but also high variability, especially in fattening stage, among studies can be observed. The average daily gain in growing stage was approximately 280 g/day, whereas in overall fattening stage, it ranges from 300 to 706 g/day [1, 9, 11, 14]. In the context of the evaluation of growth performance, it is also of interest to observe the extreme values, because it can be assumed that the maximum figures exhibit the growth potentials of Apulo-Calabrese pigs in ad libitum conditions of feeding (≈762 g/day in middle fattening stage [14]).

The information on feed intake and feed nutritional value were reported only in one study conducted on Apulo-Calabrese pigs, which limits the evaluation of their growth potential. Average daily feed intake reported was 2.2 kg/day in early fattening stage and 3.6 kg/day in the late fattening stage (declared as ad libitum feeding [14]).

5.3 Body composition and carcass traits

The basic data obtained in this review with some of the most commonly encountered carcass traits that could be compared are presented in Table 6. Pigs of the Apulo-Calabrese breed were slaughtered at approximately 336 days of age [14] and 149 or 175 kg live weight [1, 14]. Approximately 81.1% dressing yield [1, 14] and only 44.8% lean meat content (SEUROP classification [14]) is reported in Apulo-Calabrese pigs. Accordingly, relatively high backfat thickness of 68 mm at

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b re se P ig d x.doi .o rg /1 0.57 72 /in te chop en. 837 60

Reference Sow age at the first parturition (mth) Litters per sow per year No. of piglets alive per litter Piglet live weight (kg) Stillborn per litter (%) Mortality at weaning (%) Piglet weaning weight (kg) Duration of lactation (d) Farrowing interval (d) Sow age at culling (mth) [1] 13.0 1.2 — 0.6 — — — — 300 — [2] — — 6.3 — 6.2 8.6 — — — 52.3 [6] — — 6.1 1.0 7.1 13.2 — — — — [7] — 1.3 8.0 — — 20.8 — — 281 — [8] — — — — — — — — — — [9] — 2.2 — — — — — — 174 — [10] 23.5 — — — — — — — — — [11] — 2.1 7.1 1.3 6.3 19.9 8.1 40.1 171 — [12] — — — — — — — — — — [13] — — — 1.2 — — 3.4 — — —

No. = number, mth = month, d = days.

Table 3.

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5.4 Meat and fat quality

Data on meat and fat quality in Apulo-Calabrese pigs are missing, the only infor-mation found was measurements of pH in longissimus muscle. The pH at 45 min and 24 h post-mortem were 6.30 and 5.85, respectively, measured in 40 animals slaughtered at 149 kg [14].

6. Use of breed and main products

Reference Feeding CP content of feed (%) No. of animals

ADFI fattening1

Early Middle Late Overall

[14] Ad lib 15 72 2.2 3.3 3.6 3.1

No. = number, ADFI = average daily feed intake in kg/day, Ad lib = ad libitum feeding regime, CP = crude protein.

1

ADFI in a period of fattening is reported for early, middle and late fattening stages estimated between approximately 30 and 60 kg, 60 and 100 kg and above 100 kg live body weight, respectively, and as the overall daily feed intake for the whole studied period.

Table 5.

Summary of collected literature data on average daily feed intake (in kg/day) in Apulo-Calabrese pig breed.

Reference Feeding No. of animals

ADG lactation1

ADG growing2

ADG fattening3 ADG birth– slaughter Early Middle Late Overall

[1] — — — — — — — 300 —

[9] — 95 155 326 329 388 486 359 —

[11] — 200 134 229 297 298 220 277 247 [14] Ad lib 72 — — 733 762 608 706 —

No. = number, ADG = average daily gain in g, Ad lib = ad libitum feeding regime.

1

ADG in a period of lactation regardless of how long it was.

2

ADG in a growing period estimated from weaning to approximately 30 kg live body weight.

3_{ADG in a period of fattening is reported for early, middle and late fattening stages estimated between approximately}

30 and 60 kg, 60 and 100 kg and above 100 kg live body weight, respectively. Sometimes, the source provided only the overall growth rate for the whole studied period (in that case defined as overall).

Table 4.

Summary of collected literature data on growth performance in Apulo-Calabrese pig breed.

Reference No. of animals Final age (d) Final BW (kg) Hot CW (kg) Dressing yield (%) Lean meat content (%) Backfat thickness (mm) S1 _At withers 1 [1] — — 175 140 80.0 — — — 2 [14] 72 336 149 122 82.2 44.8 48 68

No. = number, BW = body weight, CW = carcass weight.

1

S backfat thickness measured according to ZP method (above gluteus medius muscle (mm)). Table 6.

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© 2019 The Author(s). Licensee IntechOpen. Distributed under the terms of the Creative Commons Attribution - NonCommercial 4.0 License (https://creativecommons.org/ licenses/by-nc/4.0/), which permits use, distribution and reproduction for

non-commercial purposes, provided the original is properly cited.

pigs adapts very well to outdoor breeding both with extensive and semi-extensive systems, feeding on acorns, chestnuts, tubers and roots that can be found in the wooden areas where it is bred. The breed is currently fully market-oriented interest-ing both regional and national markets. The most famous product derived from Apulo-Calabrese is the “soppressata” which derives from the meat of the ham and shoulder, the “capocollo” obtained from the top of the boned loin and with a layer of about 3–4 mm of fat and the lard derived from the dorsal part. Other relevant products are the black pudding mixed with chocolate and the “nduja of Spilinga”, an exceptional type of soft spread and very spicy salami. As for Apulo-Calabrese pig, it is among those authorised for the production of the four PDO-cured meat products, salsiccia, soppressata, Pancetta and Capocollo di Calabria, all certified by the “Consortium for the protection of Calabria PDO cured meats”.

Acknowledgements

The research was conducted within the project TREASURE, which has received funding from the European Union’s Horizon 2020 research and innovation pro-gramme under grant agreement no. 634476. The content of this paper reflects only the author’s view, and the European Union Agency is not responsible for any use that may be made of the information it contains.

Author details

Riccardo Bozzi1*, Maurizio Gallo2, Claudia Geraci3, Luca Fontanesi3 and Nina Batorek-Lukač4

1 DAGRI - Animal Science Section, University of Florence, Florence, Italy 2 Italian Pig Breeders Association (ANAS), Rome, Italy

3 Department of Agriculture and Food Sciences, University of Bologna, Bologna, Italy

4 Agricultural Institute of Slovenia, Ljubljana, Slovenia *Address all correspondence to: riccardo.bozzi@unifi.it

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